Q$.4.($d$)$ 'Three' Limited is a popular manufacturer of different kind of lifting tools. These lifting tools are

made of polypropylene fibre. The company installed a plant for backward integration of its raw

material polypropylene fibre at the rate of $5000mt$ per hour. The usage rate of these fibre for

the production of lifting tool is $20000$ mt per day considering $8$ hours working per day. The cost of

fibre is Rs$.5$ per metre. The inventory carrying cost is $25\%$ and the set up cost are Rs$.4050$ per set

up$.$ Compute optimal number of cycle required in a year for manufacture of this special fibre.

$($Take $365$ days as no$.$ of days for year in your computations$)$